EBK PRINCIPLES OF OPERATIONS MANAGEMENT
11th Edition
ISBN: 9780135175859
Author: Munson
Publisher: VST
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Chapter 2, Problem 3CS
Rapid-Lube
A huge market exists for automobile tune-ups, oil charges, and lubrication service for more than 250 million vehicles on U.S. roads. Some of this demand is filled by full-service auto dealerships, some by Walmart and Firestone, and some by other tire/service dealers. However, Rapid-Lube, Mobil-Lube, Jiffy-Lube and others have also developed strategies to accommodate this opportunity.
Rapid-Lube stations perform oil changes, lubrication, and interior cleaning in a spotless environment. The buildings are clean, usually painted white, and often surrounded by neatly trimmed landscaping. To facilitate fast service, cars can be driven through three abreast. At Rapid-Lube, the customer is greeted by service representatives who are graduates of Rapid-Lube U. The Rapid-Lube school is not unlike McDonald’s Hamburger University near Chicago or Holiday Inn’s training school in Memphis. The greeter takes the order, which typically includes fluid checks (oil, water, brake fluid, transmission fluid, differential grease) and the necessary lubrication, as well as filter changes for air and oil. Service personnel in neat uniforms then move into action. The standard three-person team has one person checking fluid levels under the hood, another assigned interior vacuuming and window cleaning, and the third in the garage pit, removing the oil filler, draining the oil, checking the differential and transmission, and lubricating as necessary. Precise task assignments and good training are designed to move the car into and out of the bay in 10 minutes. The business model is to charge no more, and hopefully less, that gas stations, automotive repair chains and auto dealers, while providing better and faster service. Discussion Questions
1. What constitutes the mission of Rapid Lube?
2. How does the Rapid-Lube operations strategy provide competitive advantage? (Hint: Evaluate how Rapid-Lube’s traditional competitors perform the 10 decisions of operations management vs. how Rapid-Lube performs them.)
3. Is it likely that Rapid-Lube has increased productivity over its more traditional competitors? Why? How would we measure productivity in this industry?
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Part 1
Oakwood Hospital is considering using ABC analysis to classify laboratory SKUs into three categories: those that will be delivered daily from their supplier (Class A items), those that will be controlled using a continuous review system (B items), and those that will be held in a two bin system (C items).
The following table shows the annual dollar usage for a sample of eight SKUs. Fill in the blanks for annual dollar usage below. (Enter your responses rounded to the nearest whole number.)
Part 2
Rank the SKUs in descending order on the basis of their annual dollar usage and fill in the table with the ranked SKU's percentage of dollar usage. (Enter your responses rounded to two decimal places.)
Sam's Pet Hotel operates 51 weeks per year, 6 days per week, and uses a continuous review inventory system. It purchases kitty litter for $13.00 per bag.
The following information is available about these bags:
> Demand 70 bags/week
> Order cost $58.00/order
> Annual holding cost 30 percent of cost
> Desired cycle-service level = 80 percent
>Lead time 4 weeks (24 working days)
> Standard deviation of weekly demand = 15 bags
> Current on-hand inventory is 320 bags, with no open orders or backorders.
a. Suppose that the weekly demand forecast of 70 bags is incorrect and actual demand averages only 45 bags per week. How much higher will total
costs be, owing to the distorted EOQ caused by this forecast error?
The costs will be $ higher owing to the error in EOQ. (Enter your response rounded to two decimal places.)
a. The average aggregate inventory value of the product if Ruby-Star used vendor 1 exclusively is
$enter your response here. (Enter your response as a whole
number.)
b. The aggregate inventory value of the product if Ruby-Star used vendor 2 exclusively is shown below.
c. How would your analysis change if average weekly demand increased to 160 units per week? The aggregate inventory values are shown below.
Chapter 2 Solutions
EBK PRINCIPLES OF OPERATIONS MANAGEMENT
Ch. 2 - Prob. 1EDCh. 2 - Prob. 1DQCh. 2 - Prob. 2DQCh. 2 - Prob. 3DQCh. 2 - Prob. 4DQCh. 2 - Prob. 5DQCh. 2 - Prob. 6DQCh. 2 - Prob. 7DQCh. 2 - As a library or Internet assignment, identify the...Ch. 2 - Prob. 9DQ
Ch. 2 - Prob. 10DQCh. 2 - Prob. 11DQCh. 2 - Prob. 12DQCh. 2 - Prob. 13DQCh. 2 - Prob. 14DQCh. 2 - Prob. 15DQCh. 2 - Prob. 16DQCh. 2 - Prob. 17DQCh. 2 - Prob. 18DQCh. 2 - Prob. 1PCh. 2 - Prob. 2PCh. 2 - Prob. 3PCh. 2 - Prob. 4PCh. 2 - Within the food service industry (restaurants that...Ch. 2 - Prob. 6PCh. 2 - Prob. 7PCh. 2 - Prob. 8PCh. 2 - Prob. 9PCh. 2 - Prob. 10PCh. 2 - Prob. 11PCh. 2 - Prob. 12PCh. 2 - Prob. 13PCh. 2 - Rapid-Lube A huge market exists for automobile...Ch. 2 - Rapid-Lube A huge market exists for automobile...Ch. 2 - Rapid-Lube A huge market exists for automobile...Ch. 2 - Prob. 1.1VCCh. 2 - Prob. 1.2VCCh. 2 - Prob. 1.3VCCh. 2 - Prob. 1.4VCCh. 2 - Prob. 2.1VCCh. 2 - Prob. 2.2VCCh. 2 - Prob. 2.3VCCh. 2 - Prob. 3.1VCCh. 2 - Prob. 3.2VCCh. 2 - Prob. 3.3VCCh. 2 - Prob. 3.4VC
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